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authorClemens Ladisch <clemens@ladisch.de>2011-08-04 16:17:42 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-08-15 18:31:37 -0700
commiteb473dd5ad8785d35142966cdcd6896d8dff5a22 (patch)
tree46518ce7e23c4a524dfbfce61963190874a1404c /sound
parent3ddef47156a5b3a005c1536b8d64ea6edff133aa (diff)
ALSA: snd-usb: Accept UAC2 FORMAT_TYPE descriptors with bLength > 6
commit 824818b148db42173446707df4cbd61cd7133272 upstream. The Focusrite Scarlett 18i6 USB has them that way, which is probably a bug. Anyway, the driver should simply ignore this fact. Signed-off-by: Daniel Mack <zonque@gmail.com> Reported-by: Nicolai Krakowiak <nicolai.krakowiak@gmail.com> Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/usb/endpoint.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index b0ef9f50189..05842c8b067 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -352,7 +352,7 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
continue;
}
if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8)) ||
- ((protocol == UAC_VERSION_2) && (fmt->bLength != 6))) {
+ ((protocol == UAC_VERSION_2) && (fmt->bLength < 6))) {
snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_FORMAT_TYPE desc\n",
dev->devnum, iface_no, altno);
continue;